Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Terms that may not be clear to non-specialists in particular fields are highlighted in purple and yellow, corresponding to those causing problems for a molecular biologist and an information theorist, respectively. (Used under the Creative Commons Attribution 4.0 International License: http://creativecommons.org/licenses/by/4.0).
